Finding the Fourth Proportional to 3,603,350.88, 4,972,687.20 and 1,971,902.88
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Solution
The fourth proportional to 3,603,350.88, 4,972,687.20 and 1,971,902.88 is: 2,721,260.44
Step by Step Solution
- Step 1: Write the proportion equation
3,603,350.88 : 4,972,687.20 = 1,971,902.88 : x - Step 2: Convert to fraction form
3,603,350.88/4,972,687.20 = 1,971,902.88/x - Step 3: Cross multiply
3,603,350.88x = 4,972,687.20 × 1,971,902.88 - Step 4: Simplify right side
3,603,350.88x = 9,805,656,211,019.14 - Step 5: Solve for x
x = 9,805,656,211,019.14/3,603,350.88 - Step 6: Final answer
x = 2,721,260.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.